Metal: Fine .925 Sterling Silver. Rhodium electroplated. It is not resizable, Stone: Cubic Zirconias, Carat Weight for the Engagement Ring: Approx. 1.25 carat for the center cz and 0.36 carat of brilliant cut cubic zirconias for the band, Carat Weight for the Wedding Band: Approx. 0.60 carat for the entire band, Weight: 4.6 Grams, Height: It can sit 8mm above your finger, Width of the bands: 4mm for two bands